Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752524Ab0L3Xbc (ORCPT ); Thu, 30 Dec 2010 18:31:32 -0500 Received: from mga01.intel.com ([192.55.52.88]:58814 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751618Ab0L3Xbb (ORCPT ); Thu, 30 Dec 2010 18:31:31 -0500 Message-Id: X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.60,251,1291622400"; d="scan'208";a="873157490" Date: Thu, 30 Dec 2010 23:31:27 +0000 To: Jeff Chua , Jesse Barnes Subject: Re: Linux 2.6.37-rc8 (no fb) Cc: Linus Torvalds , Randy Dunlap , Linux Kernel , dri-devel@lists.freedesktop.org, Alex Riesen In-Reply-To: References: From: Chris Wilson Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1332 Lines: 39 On Thu, 30 Dec 2010 10:49:33 +0800 (SGT), Jeff Chua wrote: > > On Thu, Dec 30, 2010 at 4:16 AM, Jesse Barnes > wrote: > > > Randy, Jeff and Alex, does the below help at all? If so, it may be the > > minimal fix we want for 2.6.37. > > Jesse, > > Yes, that worked for me. I improved on the patch a bit below. > > Thanks, > Jeff > > > --- a/drivers/gpu/drm/i915/intel_bios.c 2010-12-29 13:35:57.000000000 +0800 > +++ a/drivers/gpu/drm/i915/intel_bios.c 2010-12-30 10:18:39.000000000 +0800 > @@ -262,7 +262,10 @@ > if (general) { > dev_priv->int_tv_support = general->int_tv_support; > dev_priv->int_crt_support = general->int_crt_support; > - dev_priv->lvds_use_ssc = general->enable_ssc; > + > + /* force disable until we can parse this correctly */ > + dev_priv->lvds_use_ssc = (IS_GEN5(dev) || IS_GEN6(dev)) ? > + 0 : general->enable_ssc; This reveals another bug whereby we don't clear conflicting bits in PCH_DREF_CONTROL set by the BIOS... -Chris -- Chris Wilson, Intel Open Source Technology Centre -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/